[src/trunk]: src/sys/arch/arm/sunxi Avoid undefined behaviour as detected by ...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/39d232b053e2
branches:  trunk
changeset: 943141:39d232b053e2
user:      skrll <skrll%NetBSD.org@localhost>
date:      Thu Aug 27 16:35:13 2020 +0000

description:
Avoid undefined behaviour as detected by KUBSAN

diffstat:

 sys/arch/arm/sunxi/sunxi_gpio.c |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (40 lines):

diff -r 261bb4bb8ca1 -r 39d232b053e2 sys/arch/arm/sunxi/sunxi_gpio.c
--- a/sys/arch/arm/sunxi/sunxi_gpio.c   Thu Aug 27 15:32:37 2020 +0000
+++ b/sys/arch/arm/sunxi/sunxi_gpio.c   Thu Aug 27 16:35:13 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_gpio.c,v 1.27 2019/10/01 23:32:52 jmcneill Exp $ */
+/* $NetBSD: sunxi_gpio.c,v 1.28 2020/08/27 16:35:13 skrll Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -29,7 +29,7 @@
 #include "opt_soc.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunxi_gpio.c,v 1.27 2019/10/01 23:32:52 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunxi_gpio.c,v 1.28 2020/08/27 16:35:13 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -54,17 +54,17 @@
 
 #define        SUNXI_GPIO_PORT(port)           (0x24 * (port))
 #define SUNXI_GPIO_CFG(port, pin)      (SUNXI_GPIO_PORT(port) + 0x00 + (0x4 * ((pin) / 8)))
-#define  SUNXI_GPIO_CFG_PINMASK(pin)   (0x7 << (((pin) % 8) * 4))
+#define  SUNXI_GPIO_CFG_PINMASK(pin)   (0x7U << (((pin) % 8) * 4))
 #define        SUNXI_GPIO_DATA(port)           (SUNXI_GPIO_PORT(port) + 0x10)
 #define        SUNXI_GPIO_DRV(port, pin)       (SUNXI_GPIO_PORT(port) + 0x14 + (0x4 * ((pin) / 16)))
-#define  SUNXI_GPIO_DRV_PINMASK(pin)   (0x3 << (((pin) % 16) * 2))
+#define  SUNXI_GPIO_DRV_PINMASK(pin)   (0x3U << (((pin) % 16) * 2))
 #define        SUNXI_GPIO_PULL(port, pin)      (SUNXI_GPIO_PORT(port) + 0x1c + (0x4 * ((pin) / 16)))
 #define         SUNXI_GPIO_PULL_DISABLE        0
 #define         SUNXI_GPIO_PULL_UP             1
 #define         SUNXI_GPIO_PULL_DOWN           2
-#define  SUNXI_GPIO_PULL_PINMASK(pin)  (0x3 << (((pin) % 16) * 2))
+#define  SUNXI_GPIO_PULL_PINMASK(pin)  (0x3U << (((pin) % 16) * 2))
 #define        SUNXI_GPIO_INT_CFG(bank, eint)  (0x200 + (0x20 * (bank)) + (0x4 * ((eint) / 8)))
-#define         SUNXI_GPIO_INT_MODEMASK(eint)  (0xf << (((eint) % 8) * 4))
+#define         SUNXI_GPIO_INT_MODEMASK(eint)  (0xfU << (((eint) % 8) * 4))
 #define          SUNXI_GPIO_INT_MODE_POS_EDGE          0x0
 #define          SUNXI_GPIO_INT_MODE_NEG_EDGE          0x1
 #define          SUNXI_GPIO_INT_MODE_HIGH_LEVEL        0x2